Porch swing



FIG. 1 is a perspective view of a porch swing, showing my new design from the top, front and one side;

FIG. 2 is a side elevation view thereof, the opposite side being a mirror image thereof;

FIG. 3 is a front elevation view thereof; and,

FIG. 4 is a top plan view thereof. 

The ornamental design for a porch swing, as shown and described. 